FlangerLope vs FrobulatorAU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlangerLope
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FlangerLope - Envelope Flanger Plugin (AUv3) FlangerLope is an audio effect plugin that can run standalone, or in any AU compatible host application such as Logic Pro or GarageBand. Overview FlangerLope is a slightly unusual spin (no pun intended) on a classic effect that uses a very short modulated delayed signal that mimics a sound that was originally produced by slowing down a reel-to-reel tape recorder by touching the flange of the tape reel, hence the name! FlangerLope can produce classic flanging effects, with the option of a warmer, vintage-voiced "Analog" mode, and also adds an envelope-follower function with variable response time. Unlike some flanger plugins that have an envelope mode, FlangerLope can also combine the traditional LFO modulation and envelope modes, to create some really interesting and dynamic flanging effects. A variable Spread parameter also gives full control of the stereo width of the flange effect. While I designed FlangerLope primarily for guitarists, it can add an interesting dimension to just about any audio source.
FrobulatorAU
This audio effect plugin transforms sounds with spectral delay, adding unique character to music projects. It's a free and open-source tool designed for use in various audio applications, offering extensive creative possibilities.
- Spectral delay effect
- AUv3 plugin
- Use in GarageBand, AUM, and other DAWs
- Multiple instances per project
- Free and open-source
- No ads or in-app purchases
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Venerable inter-app audio effect Frobulator reborn — at long last — as an AUv3 plugin. Use it in GarageBand, AUM or your favourite audio application. Add multiple instances in the same project. Drag your frobulation kicking and screaming into the 21st century. Frobulator is a spectral delay effect. It makes your noises a little bit stranger. Twiddle the knobs to find something you like, or don't and throw it away. No-one will hold it against you. Frobulator is free as in beer and free as in speech. Freer, probably, given the state of both those things these days. No ads, no in-app purchases, no subscriptions, no surveillance, no nag screens. If you happen to be one of the 6 people who asked for this, rejoice! If you aren't, now's your chance to discover what you've been missing all this time. Or not. I'm not the boss of you.
Screenshots
Verdict
The clearest difference is price: FrobulatorAU at Free against FlangerLope's $1.99. FlangerLope's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17.0). On ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
FrobulatorAU is free to download; FlangerLope costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | FlangerLope | FrobulatorAU |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (8 ratings) — better |
| Number of ratings | — | 8 — better |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Rob Jackson | Matthew Caldwell |
In-app purchases
FlangerLope
No in-app purchases
FrobulatorAU
No in-app purchases









